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  1. #1
    Join Date
    Jun 2016
    Location
    Sydney
    Posts
    229

    Default Advice on adjusting an AL-50GA compound slide

    Yes, I know the poor old AL-50GA from the rabbits is the bottom end of the range, but I have had it for many years. Within its limitations, it works fine.

    Now I want to remove a small amount of backlash from the compound slide. The manual says to remove the two screws holding the spindle bracket and to remove the spindle. Then 'adjust the screw ring'. The accompanying diagram is totally obscure.

    I have removed the spindle bracket, slid the top part of the slide out of the way, and peered into the internals. Um ... WHAT screw ring?

    I can see a very small protrusion around the threaded shaft, but how to adjust that is a bit of a mystery to me! It is very narrow and it has one slot at the side which is almost useless without some very custom tool (not supplied), and it does not seem to want to 'adjust' anyhow.

    Help. Has anyone managed to do this?

    Cheers
    Roger Caffin
    Sydney

  2. #2
    Join Date
    Jun 2007
    Location
    sydney ( st marys )
    Age
    60
    Posts
    4,237

    Default

    What is No7 in the parts diagram?

  3. #3
    Join Date
    Jun 2012
    Location
    SA
    Posts
    1,618

    Default

    Quote Originally Posted by pipeclay View Post
    What is No7 in the parts diagram?
    It's the backlash adjusting screw.

    Check page 19 of the following pdf:

    http://content.jettools.com/assets/m...55K_man_EN.pdf
    The worst that can happen is you will fail.
    But at least you tried.



  4. #4
    Join Date
    Jun 2016
    Location
    Sydney
    Posts
    229

    Default Ask and receive

    Ask and ye shall receive! My thanks to both of you.

    The PDF version of the manual for the JET lathe has good clear grey-scale photos where my manual has a different and obscure photo which actually conceals the adjustment. The JET lathe is a little different in the turns-ratio adjustment box, but the rest of the lathe is pretty much the same. I have downloaded the PDF.

    OK, now I know what to adjust. I have tried to move that 'screw' but with no joy so far. Have you managed to adjust this? Should I remove the threaded shaft completely first? And what sort of tool have you used for this? All advice received with gratitude.

    Cheers
    Roger
    Sydney, AU

  5. #5
    Join Date
    Jun 2012
    Location
    SA
    Posts
    1,618

    Default

    I have no experience with that lathe.

    My course of action would be to contact the Yahoo 9x20 group and ask the "how" question there.

    https://groups.yahoo.com/neo/groups/...01mOR-SxG3jj6y

    If they don't know, then I guess nobody does

    From past experience with Yahoo groups, I expect they will make you most welcome and answer your questions correctly.

    Cheers Rob
    The worst that can happen is you will fail.
    But at least you tried.



  6. #6
    Join Date
    Jun 2016
    Location
    Sydney
    Posts
    229

    Default

    My course of action would be to contact the Yahoo 9x20 group and ask the "how" question there.
    I had a look at that, but Yahoo! wants me to accept unsolicited ads from 3rd parties and tracking cookies from them as well. NO WAY!

    Yahoo! must be still living in the Dark Ages. With that sort of attitude towards possible subscribers, no wonder they are dying.

    Well, thanks anyhow.
    Cheers
    Roger

  7. #7
    Join Date
    Sep 2012
    Location
    North Yorkshire UK
    Posts
    2,530

    Default

    Hi Roger,

    It helps to set your browser to never remember history, not to accept third party cookies and to Block pop-up windows, Warn you when web sites try to install add-ons, and Prevent accessibility services from accessing your browser. Also use private windows.

    These settings work well for me, but then I don't use Mac or Windows or Android for that matter.

    HTH.
    Best Regards:
    Baron J.

  8. #8
    Join Date
    Jun 2012
    Location
    SA
    Posts
    1,618

    Default

    Quote Originally Posted by BaronJ View Post
    Hi Roger,

    These settings work well for me, but then I don't use Mac or Windows or Android for that matter.

    HTH.
    AHHH. Another Linux user Good to see.

    Long time Mint user. Mint 19 in Mate is my current choice. LXDE has also been excellent.

    I fully agree with your suggestions. No drama with Yahoo.

    Cheers Rob
    The worst that can happen is you will fail.
    But at least you tried.



  9. #9
    Join Date
    Sep 2012
    Location
    North Yorkshire UK
    Posts
    2,530

    Default

    Hi Rob,

    Yes there are a few of us about Good to hear from you.

    I'm running Q4OS with Trinity desktop on an i7 with 10 Gb ram. Quite a dramatic change in speed compared to the AMD quad core Athlon with 4 Gb ram that I was using. That memory is now in the new machine along with a spare 2 Gb stick that I had. Not that its using any swap at all.

    I moved from Ubuntu simply because trying to keep up with the changes became a pain ! With Q4OS all the changes and updates are automatically fed to me and installed automatically subject to acceptance. Any fixes are rapidly sorted, very often before you realise that one is needed.
    Best Regards:
    Baron J.

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